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Finding the Fourth Proportional to 69,341.64, 95,686.02 and 39,134.31

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Solution

The fourth proportional to 69,341.64, 95,686.02 and 39,134.31 is: 54,002.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,341.64 : 95,686.02 = 39,134.31 : x
  2. Step 2: Convert to fraction form
    69,341.64/95,686.02 = 39,134.31/x
  3. Step 3: Cross multiply
    69,341.64x = 95,686.02 × 39,134.31
  4. Step 4: Simplify right side
    69,341.64x = 3,744,606,369.35
  5. Step 5: Solve for x
    x = 3,744,606,369.35/69,341.64
  6. Step 6: Final answer
    x = 54,002.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.